Home / 8,217.55-11,340.21-4,491.55

Finding the Fourth Proportional to 8,217.55, 11,340.21 and 4,491.55

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Solution

The fourth proportional to 8,217.55, 11,340.21 and 4,491.55 is: 6,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.55 : 11,340.21 = 4,491.55 : x
  2. Step 2: Convert to fraction form
    8,217.55/11,340.21 = 4,491.55/x
  3. Step 3: Cross multiply
    8,217.55x = 11,340.21 × 4,491.55
  4. Step 4: Simplify right side
    8,217.55x = 50,935,120.23
  5. Step 5: Solve for x
    x = 50,935,120.23/8,217.55
  6. Step 6: Final answer
    x = 6,198.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.